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Search: Posts Made By: Racer X
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Forum: C8 Z06/ZR1/Zora Discussion
Yesterday, 03:53 PM
Replies: 30
Views: 1,683
Posted By Racer X

Could the inlets be related to a Z07 type option,...

Could the inlets be related to a Z07 type option, thus more track focused?
Forum: C8 Z06/ZR1/Zora Discussion
Yesterday, 12:53 PM
Replies: 38
Views: 1,516
Posted By Racer X

A turbocharger, is an exhaust driven centrifugal...

A turbocharger, is an exhaust driven centrifugal supercharger. Thus it is a supercharged engine. There are also belt driven centrifugal superchargers and belt and gear driven positive displacement...
Forum: C8 Tech/Performance
04-19-2024, 09:32 PM
Replies: 20
Views: 549
Posted By Racer X

No tune should need to be done for headers. The...

No tune should need to be done for headers. The C8 runs in closed loop except for start-up and limp home, unlike prior generations.
Forum: C8 Z06/ZR1/Zora Discussion
04-18-2024, 11:51 AM
Replies: 92
Views: 4,570
Posted By Racer X

You would rev higher because you would be making...

You would rev higher because you would be making the same power after the shift than at the shift with power climbing. So your power under the curve is better. Based on gear spacing the shift point...
Forum: C8 Z06/ZR1/Zora Discussion
04-17-2024, 01:24 AM
Replies: 92
Views: 4,570
Posted By Racer X

not a GM document. The evidence for that is that...

not a GM document. The evidence for that is that there was no call from GM for a takedown for copyrighted and proprietary information. That is unlike the GM engine plan that was posted in November...
Forum: C8 Z06/ZR1/Zora Discussion
04-16-2024, 01:17 PM
Replies: 92
Views: 4,570
Posted By Racer X

Then it would be an awesome basis for a truck...

Then it would be an awesome basis for a truck engine. Or without turbos a basis for a base Corvette engine.
Forum: C8 Z06/ZR1/Zora Discussion
04-16-2024, 10:54 AM
Replies: 92
Views: 4,570
Posted By Racer X

850 HP / 720 lb/ft of torque twin turbo DOHC; not...

850 HP / 720 lb/ft of torque twin turbo DOHC; not sure on displacement but either 4.4 liters and higher pressure or 5.5 liters and lower pressure.

Or we could go the old Rolls Royce way, and just...
Forum: C8 Z06/ZR1/Zora Discussion
04-16-2024, 10:47 AM
Replies: 275
Views: 18,367
Posted By Racer X

Looking at that picture, does anyone have any...

Looking at that picture, does anyone have any thoughts on what that bump is at the front of the targa panel?


A telemetry module, maybe?
Forum: C8 Z06/ZR1/Zora Discussion
04-12-2024, 12:33 PM
Replies: 275
Views: 18,367
Posted By Racer X

It was already revealed on this board in November...

It was already revealed on this board in November 2017 that GMs design goal by 2024 for a gas engine was 850 HP and 720 lb/ft of torque. CoVid probably delayed that by 2 years. I expect that is what...
Forum: C8 Z06/ZR1/Zora Discussion
04-08-2024, 11:47 PM
Replies: 41
Views: 1,306
Posted By Racer X

Not affiliated with or recommending this site or...

Not affiliated with or recommending this site or their shoes. https://www.racingdirect.com/racing-shoes?Attribs=326&sort=PriceAsc&Text=SFI-Rated

Just an example that you can get SFI rated shoes...
Forum: C8 Z06/ZR1/Zora Discussion
04-08-2024, 03:37 PM
Replies: 41
Views: 1,306
Posted By Racer X

Not fire rated, but Puma Speedcats. They don't...

Not fire rated, but Puma Speedcats. They don't take up a lot of space around your feet; good if you have biggish feet.
Forum: C8 Z06/ZR1/Zora Discussion
04-08-2024, 10:06 AM
Replies: 41
Views: 1,306
Posted By Racer X

No synthetics. Although the chance of fire is...

No synthetics. Although the chance of fire is low, synthetics melt to your skin. Well unless those synthetics are flame resistant material(nomex, etc.).

I would only wear shorts if they are long...
Forum: C8 Z06/ZR1/Zora Discussion
03-31-2024, 05:29 PM
Replies: 53
Views: 2,598
Posted By Racer X

even a Z51 base car will pull over 1.2 Gs on the...

even a Z51 base car will pull over 1.2 Gs on the G meter in certain conditions. So not indicative of even 10/10ths.

Without times on a known track, compared to other top drivers in a similar...
Forum: C8 Z06/ZR1/Zora Discussion
03-31-2024, 04:23 PM
Replies: 43
Views: 2,251
Posted By Racer X

He kept trying and eventually it started. ...

He kept trying and eventually it started.

There is also a computer reset process that involves leaving the driver door open for over 90 seconds. Maybe someone knows the precise process.
Forum: C8 Z06/ZR1/Zora Discussion
03-31-2024, 04:19 PM
Replies: 53
Views: 2,598
Posted By Racer X

I question your judgement and hyperbole. One...

I question your judgement and hyperbole. One cannot physically drive on a road with curves at 11/10ths and stay on the road and not wreck. Not possible on the street or track. It is just physics. ...
Forum: C8 Z06/ZR1/Zora Discussion
03-31-2024, 02:24 PM
Replies: 43
Views: 2,251
Posted By Racer X

Yes, that is what I said the message was for....

Yes, that is what I said the message was for. However, in his case, it displayed that message when it would not start, was not running. So, again, how was he supposed to "drive it to a safe place"?
Forum: C8 Z06/ZR1/Zora Discussion
03-30-2024, 11:53 PM
Replies: 43
Views: 2,251
Posted By Racer X

Isn’t that the message when the key is not...

Isn’t that the message when the key is not present but the car is running? As in you start the car, but the person leaves with the key and you drive off?

Question, how can you “drive” to a safe...
Forum: C8 Z06/ZR1/Zora Discussion
03-21-2024, 11:47 AM
Replies: 96
Views: 5,711
Posted By Racer X

with the engine between the transmission and the...

with the engine between the transmission and the front of the car, they would to route the drive shaft from the output of the transmission past the engine where the is little rom to the front...
Forum: C8 Z06/ZR1/Zora Discussion
03-18-2024, 09:49 PM
Replies: 96
Views: 5,711
Posted By Racer X

I look forward to seeing if GM was correct in...

I look forward to seeing if GM was correct in their 2016-2024 North American Plan(excluding timing). Or if the internet is correct.
Forum: C8 Z06/ZR1/Zora Discussion
03-14-2024, 03:33 PM
Replies: 96
Views: 5,711
Posted By Racer X

No, I am not UTRacerX9 on anyplace. 9000 RPM...

No, I am not UTRacerX9 on anyplace.

9000 RPM is not a problem for CPC. So crank counter balancing is not a problem. RPM limits is about piston weights and rod strength, piston speed and valve...
Forum: C8 Z06/ZR1/Zora Discussion
03-13-2024, 10:11 PM
Replies: 96
Views: 5,711
Posted By Racer X

First, he clearly says a CPC crank does not...

First, he clearly says a CPC crank does not produce more torque.

he is conflating a lot of things. CPC vs FPC doesn’t affect RPM limit at street engine speeds (less than 9000 rpm). He seems to be...
Forum: C8 Z06/ZR1/Zora Discussion
03-13-2024, 01:57 PM
Replies: 96
Views: 5,711
Posted By Racer X

I hear this often, the FPC is about high RPM...

I hear this often, the FPC is about high RPM power and CPC lower RPM power. I have yet to see one physics/engineering based explanation for this statement. It is my understanding that the RPM range...
Forum: C8 Z06/ZR1/Zora Discussion
03-12-2024, 01:20 PM
Replies: 96
Views: 5,711
Posted By Racer X

Old leaked GM engine planning documents posted to...

Old leaked GM engine planning documents posted to this site suggest a target of 850 hp and 720 lb/ft of torque. I will go with GM plans for my estimate.
Forum: C8 Z06/ZR1/Zora Discussion
03-10-2024, 12:55 PM
Replies: 72
Views: 2,725
Posted By Racer X

The published times suggests that ER does not...

The published times suggests that ER does not “walk away” from the Z06. And in great air the Z06 will be faster than the published specs, and the ER will only get 60-70% of the benefit of the great...
Forum: C8 Z06/ZR1/Zora Discussion
03-09-2024, 05:10 PM
Replies: 72
Views: 2,725
Posted By Racer X

This comparison is at full throttle. You guys...

This comparison is at full throttle. You guys talking about 25% throttle and all that, can’t use this graph for comparison. There is no way to compare that without an actual test at 25% throttle or...
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